code: def __init__(self, x):
      self.x = x
      self.h_call_count = 0
      self.y_call_count = 0
  
file_path: chainer/tests/chainer_tests/utils_tests/test_cache.py
imports: import unittest
  import numpy
  import chainer
  from chainer import testing
  from chainer.utils import cache
label_desc: Use image node_id 1 to create a new MockDistribution object from inherited base classes: object with example: obj = MockDistribution(x)